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Finding the Fourth Proportional to 7,082.19, 9,773.49 and 4,393.86

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Solution

The fourth proportional to 7,082.19, 9,773.49 and 4,393.86 is: 6,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.19 : 9,773.49 = 4,393.86 : x
  2. Step 2: Convert to fraction form
    7,082.19/9,773.49 = 4,393.86/x
  3. Step 3: Cross multiply
    7,082.19x = 9,773.49 × 4,393.86
  4. Step 4: Simplify right side
    7,082.19x = 42,943,346.77
  5. Step 5: Solve for x
    x = 42,943,346.77/7,082.19
  6. Step 6: Final answer
    x = 6,063.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.